How far is Sweetwater, TX from McKinney, TX?
The driving distance from Sweetwater, TX to McKinney, TX is about 249.7 miles (401.9 km), with a travel time of about 03h 42m by car.
- The straight-line flight distance is about 225.7 miles (363.2 km).
- For a round trip, plan for roughly 07h 24m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 42m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Texas, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Sweetwater and McKinney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sweetwater and McKinney.
-
1
Start on Lamar Street
32 m · 6 sec · Lamar Street
-
2
Turn right onto East Broadway Street
2.6 mi · 5 min · East Broadway Street
-
3
Keep slight left to continue on I 20 East: Abilene
1588 ft · 25 sec
-
4
Merge slight right
173.1 mi · 2 hr 55 min
-
5
Keep slight left to continue on West Freeway
5.6 mi · 6 min · West Freeway
-
6
Take the exit slight right toward I 820 North
1.4 km · 2 min
-
7
Merge slight left onto Jim Wright Freeway
12.6 mi · 14 min · Jim Wright Freeway
-
8
Continue on Northeast Loop
1398 ft · 18 sec · Northeast Loop
-
9
Keep slight left to continue on I 820 TEXpress
6.9 mi · 7 min · I 820 TEXpress
-
10
Continue on SH 121/183 TEXpress
4.4 mi · 4 min · SH 121/183 TEXpress
-
11
Take the exit slight right toward TX 121 North: DFW Airport North Entry
8.9 mi · 10 min
-
12
Keep slight left to continue on TX 121 North, I 635 East
5.5 mi · 6 min
-
13
Continue on Sam Rayburn Tollway
3.6 mi · 4 min · Sam Rayburn Tollway
-
14
Continue straight
1.3 mi · 1 min
-
15
Continue on Sam Rayburn Tollway
20.2 mi · 22 min · Sam Rayburn Tollway
-
16
Continue straight
1.2 mi · 2 min
-
17
Continue on South McDonald Street
1.6 km · 2 min · South McDonald Street
-
18
Turn slight left
86 m · 10 sec
-
19
Continue on South Tennessee Street
1.1 mi · 3 min · South Tennessee Street
-
20
Arrive at your destination
0 m · 1 sec · North Tennessee Street
Car Route Details
A richer read on the saved driving route between Sweetwater and McKinney.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 20 East
Merge slight right
173 mi · 02h 55m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Sweetwater and Slight Chance Rain Showers then Mostly Sunny near McKinney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sweetwater to McKinney?
The road trip is about 249.7 miles (401.9 km) and usually takes 03h 42m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Gordon is a useful midpoint, sitting about 124.6 miles from Sweetwater and 125.1 miles from McKinney.
How much longer is the road route than the straight-line distance?
The direct path is about 225.7 miles (363.2 km), while the road route adds roughly 24 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.29 one way or $66.59 round trip. Estimated CO2 is about 78.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Sweetwater and Slight Chance Rain Showers then Mostly Sunny near McKinney.
Stop Ideas Near Gordon
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Gordon.
Cleburne
Fort Worth Central Station
Flight Path Map
This map shows the direct air route between Sweetwater and McKinney. Straight-line distance: 225.71 mi (363.24 km).
#1 Sweetwater
City in Texas, United States
| Population | 10,535 |
| Coordinates | 32.4709500, -100.4059400 |
| Altitude | 661 |
| Country | United States |
#2 McKinney
The third most populous city in Collin County, Texas.
| Population | 208,272 |
| Coordinates | 33.1976200, -96.6152700 |
| Altitude | 192 |
| Country | United States |
End: North Tennessee Street (-96.61506, 33.19762)
Estimated Travel Time
Distance: 402 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 19m |
| 40 mph (64.37 km/h) | 06h 14m |
| 50 mph (80.47 km/h) | 04h 59m |
| 60 mph (96.56 km/h) | 04h 09m |
| 70 mph (112.65 km/h) | 03h 34m |
| 80 mph (129 km/h) | 03h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $33.29 | $66.59 |
| Mid-grade | $4.25 | $37.46 | $74.92 |
| Premium | $4.59 | $40.45 | $80.89 |
| Diesel | $3.99 | $35.18 | $70.36 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Texas · May 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.